make considered harmful

This commit is contained in:
albert 2002-10-10 07:08:13 +00:00
parent a7082d3057
commit c8b28e1405
2 changed files with 45 additions and 38 deletions

View File

@ -1,53 +1,56 @@
# Google "recursive make considered harmful" for how this works.
# This file gets included into the main Makefile, in the top directory.
SRC += $(wildcard proc/*.c) $(wildcard proc/*.c)
NAME := proc
LIBSRC += $(wildcard proc/*.c)
SONAME := lib$(NAME).so.$(LIBVERSION)
ALL += proc/lib$(NAME).a
INSTALL += $(lib)/lib$(NAME).a
LIB_CFLAGS := $(CFLAGS)
ifeq ($(SHARED),1)
ALL += proc/$(SONAME)
INSTALL += $(lib)/$(SONAME)
LIB_CFLAGS += -fpic
endif
# clean away all output files, .depend, and symlinks
CLEAN += $(addprefix proc/,$(ALL) .depend)
------
# PROJECT SPECIFIC MACROS
NAME = proc
# INSTALLATION OPTIONS
TOPDIR = /usr
HDRDIR = $(TOPDIR)/include/$(NAME)# where to put .h files
LIBDIR = $(TOPDIR)/lib# where to put library files
SHLIBDIR = /lib# where to put shared library files
HDROWN = $(OWNERGROUP) # owner of header files
LIBOWN = $(OWNERGROUP) # owner of library files
INSTALL = install
HDRDIR := /usr/include/$(NAME)# where to put .h files
LIBDIR := /usr/lib# where to put library files
HDROWN := $(OWNERGROUP) # owner of header files
LIBOWN := $(OWNERGROUP) # owner of library files
INSTALL := install
SRC = $(sort $(wildcard *.c) $(filter %.c,$(RCSFILES)))
HDR = $(sort $(wildcard *.h) $(filter %.h,$(RCSFILES)))
OBJ = $(SRC:.c=.o)
SRC := $(sort $(wildcard *.c) $(filter %.c,$(RCSFILES)))
HDR := $(sort $(wildcard *.h) $(filter %.h,$(RCSFILES)))
OBJ := $(SRC:.c=.o)
SONAME = lib$(NAME).so.$(LIBVERSION)
ifeq ($(SHARED),1)
CFLAGS += -fpic
all: lib$(NAME).a $(SONAME)
else
all: lib$(NAME).a
endif
lib$(NAME).a: $(OBJ)
proc/lib$(NAME).a: $(OBJ)
$(AR) rcs $@ $^
$(SONAME): $(OBJ)
proc/$(SONAME): $(OBJ)
gcc -shared -Wl,-soname,$(SONAME) -o $@ $^ -lc
ln -sf $(SONAME) lib$(NAME).so
# AUTOMATIC DEPENDENCY GENERATION -- GCC AND GNUMAKE DEPENDENT
.depend:
$(strip $(CC) $(CFLAGS) -MM -MG $(SRC) > .depend)
$(strip $(CC) $(LIB_CFLAGS) -MM -MG $(SRC) > .depend)
-include .depend
# INSTALLATION
install: all
if ! [ -d $(HDRDIR) ] ; then mkdir $(HDRDIR) ; fi
$(INSTALL) $(HDROWN) $(HDR) $(TOPDIR)/include/$(NAME)
$(INSTALL) $(HDROWN) $(HDR) /usr/include/$(NAME)
$(INSTALL) $(LIBOWN) lib$(NAME).a $(LIBDIR)
ifeq ($(SHARED),1)
$(INSTALL) $(LIBOWN) $(SONAME) $(SHLIBDIR)
@ -58,12 +61,12 @@ endif
# CUSTOM c -> o rule so that command-line has minimal whitespace
%.o : %.c
$(strip $(CC) $(CFLAGS) -c $<)
$(strip $(CC) $(LIB_CFLAGS) -c $<)
version.o: version.c version.h
ifdef MINORVERSION
$(strip $(CC) $(CFLAGS) -DVERSION=\"$(VERSION)\" -DSUBVERSION=\"$(SUBVERSION)\" -DMINORVERSION=\"$(MINORVERSION)\" -c version.c)
$(strip $(CC) $(LIB_CFLAGS) -DVERSION=\"$(VERSION)\" -DSUBVERSION=\"$(SUBVERSION)\" -DMINORVERSION=\"$(MINORVERSION)\" -c version.c)
else
$(strip $(CC) $(CFLAGS) -DVERSION=\"$(VERSION)\" -DSUBVERSION=\"$(SUBVERSION)\" -c version.c)
$(strip $(CC) $(LIB_CFLAGS) -DVERSION=\"$(VERSION)\" -DSUBVERSION=\"$(SUBVERSION)\" -c version.c)
endif

View File

@ -1,8 +1,15 @@
INSTALL += install_ps
# This file gets included into the main Makefile, in the top directory.
-----
INSTALL += $(bin)ps
all: ps
# a file to remove
CLEAN += ps/ps
# a directory for cleaning
DIRS += ps
# a file to create
ALL += ps/ps
ps: escape.o global.o help.o select.o sortformat.o output.o parser.o display.o
$(CC) -o ps escape.o global.o help.o select.o sortformat.o output.o parser.o display.o -L../proc -lproc
@ -30,10 +37,7 @@ display.o: display.c common.h
stacktrace.o: stacktrace.c
install: ps
$(bin)ps: ps
install $(OWNERGROUP) --mode a=rx --strip ps $(BINDIR)/ps
install $(OWNERGROUP) --mode a=r ps.1 $(MAN1DIR)/ps.1
-rm -f $(DESTDIR)/var/catman/cat1/ps.1.gz $(DESTDIR)/var/man/cat1/ps.1.gz
clean:
rm -f *.o DEADJOE *~ core ps gmon.out